Troubleshooting – Manley STEELHEAD Version 2 User Manual
Page 12
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TROUBLESHOOTING
The STEELHEAD’s system architecture is designed with a variety of features so as to allow
flexibility in accommodating as many cartridges and as much downstream gear as possible. Access
to these capabilities rest on the assumption that all STEELHEAD systems are functioning properly.
If trouble is encountered please review the following short list of symptoms and corrective remedies
before contacting your dealer or us.
Symptom
Possible Cause
Corrective Action
NO lights, power.
Bad mains fuse.
Replace with correct fuse.
Bad or unplugged
Check cables and outlets.
power cable.
AC outlet not energized.
Rolling Grayout®™
Abandon California, elect Libertarians.
Power supply pilot ON,
‘HEAD not responding.
16-pin connector not seated. Check for proper connection.
Dim badge lamps, LEDs.
Mains Voltage selector Check for proper setting.
Weak output.
switch set to 220 V instead
of 110 V. Be sure of local
mains voltage before
changing switch setting!
Tube locator diagram
RIAA amp board
7044
7044
6922
6922
7044 7044
Output heard in one
Bad tube in affected
Alternate or replace suspect
channel only.
channel.
tube.
Weak or distorted
Bad tube in affected
Alternate or replace suspect
output in one channel.
channel.
tube(s).
Page 12
- MONO & DUAL MONO MICROPHONE PREAMPLIFIERS (15 pages)
- MONO & DUAL MONO 40 dB MICROPHONE PREAMPLIFIERS (16 pages)
- 60 dB MICROPHONE PREAMPLIFIER (11 pages)
- MIC EQ 500 COMBO (16 pages)
- ENHANCED MID FREQUENCY PULTEC EQUALIZER (15 pages)
- ENHANCED PULTEC EQP1-A EQUALIZER (16 pages)
- MONO & DUAL MONO TUBE DIRECT INTERFACE MODELS (11 pages)
- TNT MICROPHONE PREAMPLIFIER (26 pages)
- VOXBOX - MVBXA 4/2003 (26 pages)
- VOXBOX - MVB 1996 - 2/2000 and MVBX 6/2000 - 4/2003 (25 pages)
- СORE REFERENCE CHANNEL STRIP - MCORE001-025 4/2014 - 5/2014 (15 pages)
- СORE REFERENCE CHANNEL STRIP - MCORE026 and up 7/2014 (16 pages)
- HIGH FREQUENCY (DE-ESS) LIMITER (12 pages)
- MASSIVE PASSIVE STEREO TUBE EQ - MSMPX 2/2004 (33 pages)
- MASSIVE PASSIVE STEREO TUBE EQ - MSMP 1998 - 2/2004 (33 pages)
- ELECTRO-OPTICAL LIMITER - 1994 - 1997 MANELOP020-318 (14 pages)
- STEREO VARIABLE MU LIMITER / COMPRESSOR - 3/2004 (18 pages)
- STEREO VARIABLE MU LIMITER / COMPRESSOR - 1994 - 3/2004 (18 pages)
- MONO VARIABLE MU LIMITER / COMPRESSOR 5670 MODELS (13 pages)
- ELOP (14 pages)
- ELECTRO-OPTICAL LIMITER - 1997 - 9/2000 MELOPB319 - 564 (15 pages)
- REFERENCE MICROPHONES - 1992 - 2010 (10 pages)
- REFERENCE MICROPHONES - 2010 - present (11 pages)
- MicMAID 4x4 Matrix-Switcher 10/2010 - present (12 pages)
- BACKBONE Mastering Insert Switcher 2003 - present (26 pages)
- SLAM! (29 pages)
- The WAVE DAC/Preamp 24/96 Version Serial Code WAVE016-present 2002 - present (22 pages)
- The WAVE DAC/Preamp 20 Bit Version Serial Code WAVE000-015 1999 - 2002 (20 pages)
- 500 / 200 WATT MONOBLOCK (13 pages)
- 500 / 200 WATT MONOBLOCK (12 pages)
- 250 / 100 WATT MONOBLOCK AMPLIFIER (13 pages)
- 16 x 2 TUBE MIXER 2002 - present above 106 (22 pages)
- 16 x 2 TUBE MIXER 2000 - 2002 up to 106 (22 pages)
- TAPE HEAD PREAMPLIFIERS (15 pages)
- DIGITAL TO ANALOGUE CONVERTER 1990 - 1997 (9 pages)
- DIGITAL TO ANALOGUE CONVERTER HDCD DAC 1993 - 2000 (11 pages)
- DIGITAL TO ANALOGUE CONVERTER DAC 1994 - 1995 (10 pages)
- JUNIOR DAC 1995 - 2000 (11 pages)
- LANGEVIN MINI MASSIVE STEREO EQ (31 pages)
- LANGEVIN ALL-DISCRETE PULTEC EQP1-A TYPE EQUALIZER (12 pages)
- LANGEVIN ELECTRO-OPTICAL LIMITER (14 pages)
- LANGEVIN DUAL MONO MICROPHONE PREAMPLIFIER WITH EQ (15 pages)
- Langevin Dual Vocal Combo 1999 - 4/2001 LDVC000 - LDVC178 (20 pages)
- Langevin Dual Vocal Combo 4/2001 - present LDVCP179 and up (22 pages)
- Langevin DAC 1993 - 2000 (11 pages)